Chemistry Which of the following pairs of materials serves as electrodes in chargeable batteries commonly used in devices such as torch lights, electric shavers, etc. ? Lead peroxide and lead Iron and cadmium Nickel and cadmium Zinc and carbon Lead peroxide and lead Iron and cadmium Nickel and cadmium Zinc and carbon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The organic reaction represented by equation CH3 - CH = O + H2NOH gives CH3 - CH - NH + H2O is an example of an elimination reaction an oxidation reaction an addition reaction a condensation reaction an elimination reaction an oxidation reaction an addition reaction a condensation reaction ANSWER DOWNLOAD EXAMIANS APP
Chemistry Two electrons in an orbital are differentiated by which of the following ? Magnetic quantum number Principal quantum number Azimuthal quantum number Spin quantum number Magnetic quantum number Principal quantum number Azimuthal quantum number Spin quantum number ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following can be found as pollutants in the drinking water in some parts of India? Select the correct answer using the code given below.(A) Arsenic (B) Sorbitol (C) Fluoride (D) Formaldehyde (E) Uranium B, D and E A, C and E A, B, C, D and E A and C B, D and E A, C and E A, B, C, D and E A and C ANSWER DOWNLOAD EXAMIANS APP
Chemistry The material used in solar cells contains Thallium Caesium Silicon Tin Thallium Caesium Silicon Tin ANSWER DOWNLOAD EXAMIANS APP
Chemistry Carborundum is another name of Calcium carbide Silicon oxide Silicon carbide Calcium oxide Calcium carbide Silicon oxide Silicon carbide Calcium oxide ANSWER DOWNLOAD EXAMIANS APP
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